Compare 28/15 and 30/20
1st number: 1 13/15, 2nd number: 1 10/20
28/15 is greater than 30/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
28/15 = 28 × 4/15 × 4 = 112/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
30/20 = 30 × 3/20 × 3 = 90/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 112/60 > 90/60 or 28/15 > 30/20
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